pectin

pec·tin

noun \ˈpek-tən\

Definition of PECTIN

1

: any of various water-soluble substances that bind adjacent cell walls in plant tissues and yield a gel which is the basis of fruit jellies

2

: a commercial product rich in pectins and used chiefly in making jelly and other foods, in pharmaceutical products especially for the control of diarrhea, and in cosmetics